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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.controller.maintenance;
import com.yahoo.config.provision.ApplicationId;
import com.yahoo.config.provision.SystemName;
import com.yahoo.config.provision.zone.ZoneId;
import com.yahoo.jdisc.Metric;
import com.yahoo.vespa.hosted.controller.Controller;
import com.yahoo.vespa.hosted.controller.Instance;
import com.yahoo.vespa.hosted.controller.api.identifiers.DeploymentId;
import com.yahoo.vespa.hosted.controller.api.integration.resource.ResourceDatabaseClient;
import java.time.Duration;
import java.util.Collections;
import java.util.Map;
import java.util.Set;
import java.util.logging.Logger;
import java.util.stream.Collectors;
import java.util.stream.Stream;
/**
* Reports discrepancies between currently deployed applications and
* recently stored metering data in ResourceDatabaseClient.
*
* @author olaa
*/
public class MeteringMonitorMaintainer extends ControllerMaintainer {
private final ResourceDatabaseClient resourceDatabaseClient;
private final Metric metric;
protected static final String METERING_AGE_METRIC_NAME = "metering.age.seconds";
private static final Logger logger = Logger.getLogger(MeteringMonitorMaintainer.class.getName());
public MeteringMonitorMaintainer(Controller controller, Duration interval, ResourceDatabaseClient resourceDatabaseClient, Metric metric) {
super(controller, interval, null, SystemName.allOf(SystemName::isPublic));
this.resourceDatabaseClient = resourceDatabaseClient;
this.metric = metric;
}
@Override
protected double maintain() {
var activeDeployments = activeDeployments();
var lastSnapshotTime = resourceDatabaseClient.getOldestSnapshotTimestamp(activeDeployments);
var age = controller().clock().instant().getEpochSecond() - lastSnapshotTime.getEpochSecond();
metric.set(METERING_AGE_METRIC_NAME, age, metric.createContext(Collections.emptyMap()));
return 1;
}
private Set<DeploymentId> activeDeployments() {
return controller().applications().asList()
.stream()
.flatMap(app -> app.instances().values().stream())
.flatMap(this::toProdDeployments)
.collect(Collectors.toSet());
}
private Stream<DeploymentId> toProdDeployments(Instance instance) {
return instance.deployments()
.keySet()
.stream()
.filter(deployment -> deployment.environment().isProduction())
.map(deployment -> new DeploymentId(instance.id(), deployment));
}
}
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